Former Radio One DJ Dave Lee Travis is accused of 14 counts of indecent assault between 1976 and 2003 and one of sexual assault in 2008.
The 68-year-old, whose real name is David Patrick Griffin, replied "Not guilty" to each of the charges as they were put to him by the clerk at Southwark Crown Court, London.
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Teachers and managers in particularly are putting in hundreds of hours of overtime free of charge.
Labour have lost the Copeland by-election, a seat they had held since 1983, as the Conservatives edged the vote by 2,000 votes.
Labour have held onto the crucial seat of Stoke-on-Trent, brushing aside UKIP leader Paul Nuttall in the process.